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In Viewport

Check if any part of an element is in the viewport.

API

inViewport(element, [border])

var inViewport = require('in-viewport')

var el = document.querySelector('img')

if (inViewport(el, window.innerHeight / 2)) {

} else {

}

element is the element you want to check. border is the number of pixels outside the viewport you want to check. For example, to check whether an element is within 200px of the viewport, you do inViewport(element, 200).

Compatibility

IE9+

License

The MIT License (MIT)

Copyright (c) 2013 Jonathan Ong [email protected]

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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Check if an element is in the viewport

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